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Versions: 15
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Contents
module QDM
# Represents QDM attribute
class Attribute
include Mongoid::Document
def initialize(options = {})
super(options)
end
# Returns the attribute requested on the datatype.
def get(attribute)
send(attribute) if has_attribute?(attribute)
end
def mongoize
json_representation = {}
attribute_names.each do |field|
json_representation[field] = send(field).mongoize
end
json_representation
end
# Include '_type' in any JSON output. This is necessary for deserialization.
def to_json(options = nil)
serializable_hash(methods: :_type).to_json(options)
end
class << self
# Get the object as it was stored in the database, and instantiate
# this custom class from it.
def demongoize(object)
return nil unless object
object = object.symbolize_keys
if object.is_a?(Hash)
# This will turn the object into the concrete type eg: facilityLocation
data_element = QDM.const_get(object[:_type]).new
data_element.attribute_names.each do |field|
data_element.send(field + '=', object[field.to_sym])
end
data_element
else object
end
end
# Takes any possible object and converts it to how it would be
# stored in the database.
def mongoize(object)
case object
when nil then nil
when QDM::Attribute then object.mongoize
when Hash
object = object.symbolize_keys
data_element = QDM.const_get(object[:_type]).new
data_element.attribute_names.each do |field|
data_element.send(field + '=', object[field.to_sym])
end
data_element.mongoize
else object
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems